/Engine/Source/Editor/UnrealEd/Public/Kismet2/CompilerResultsLog.h
Helper method to add a child event to the given parent event scope
void AddChildEvent ( [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< FCompilerEvent > & ParentEventScope, [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< FCompilerEvent > & ChildEventScope )